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Hermeus

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High-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the military

Atlanta, United StatesFounded 2018Space
Valuation $1–2.5B Last recorded · 2026
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Hermeus and the history behind them.

About Hermeus

Hermeus Corporation is an innovative aerospace startup that is focused on building the world's fastest aircraft. The company is working on developing a hypersonic aircraft that can reach speeds of Mach 5, which is more than twice as fast as the supersonic Concorde. In simpler terms, this means that the aircraft will be able to travel at speeds of approximately 3,800 miles per hour, making it possible to significantly reduce travel times.

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The company operates in the aerospace industry, specifically in the sub-sector of high-speed travel. Its potential clients are likely to be airlines and possibly government agencies interested in high-speed transportation. The business model of Hermeus is based on the development, production, and sale of these high-speed aircraft.

Hermeus makes money by developing and selling its hypersonic aircraft to clients. The company recently reached a significant milestone by successfully testing its hypersonic engine, which is powered by the Pratt & Whitney F100 turbine. This achievement suggests that the company is making significant progress in its development efforts.

The company has also been successful in raising funds to support its operations. Most recently, it raised $100 million in a Series B funding round led by Sam Altman, indicating strong investor confidence in the company's vision and capabilities.

In conclusion, Hermeus is a promising startup in the aerospace industry, working on groundbreaking technology to revolutionize high-speed travel.

Source: Dealroom company data

At a glance

Founded
2018
Headquarters
Atlanta, United States
Sector
Space
Power Law
Unicorn$1–10B valuation tier

Latest news

Press, funding announcements and product moves mentioning Hermeus.

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Investors

14 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

Series A9 investors entered at this stage

Series B and later3 investors entered at this stage

Team profiled 22 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 5 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇺🇸 United States99.3%
🏳️ Mauritius0.4%
🇸🇬 Singapore0.4%
3 countries shown
Web traffic by country
29K monthly visits
across markets
🇺🇸 United States65.5%
🇨🇦 Canada6.2%
🇬🇧 United Kingdom5.9%
🇮🇳 India3.8%
🇯🇵 Japan3.8%
Top 5 markets shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Hermeus on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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